[Android Software Development] freekyfrogy:
I declared them both in the manifest, here's it's XML code:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.freekyfrogy.treasure"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="4" />

<application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar">
<activity android:name="Title"
android:label="@string/app_name"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity	android:name="MainGame"
android:screenOrientation="portrait">
</activity>
<activity	android:name="Options"
android:screenOrientation="portrait">
</activity>
</application>
</manifest>

and the Error I'm getting is this:

02-28 16:57:54.086: ERROR/AndroidRuntime(17450): FATAL EXCEPTION: main
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.freekyfrogy.treasure/com.freekyfrogy.treasure.Options}: java.lang.NullPointerException
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1664)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1768)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.access$1500(ActivityThread.java:123)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:936)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.os.Handler.dispatchMessage(Handler.java:99)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.os.Looper.loop(Looper.java:123)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.main(ActivityThread.java:3812)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.reflect.Method.invokeNative(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.reflect.Method.invoke(Method.java:507)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at dalvik.system.NativeStart.main(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): Caused by: java.lang.NullPointerException
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.Activity.findViewById(Activity.java:1647)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.freekyfrogy.treasure.Options.<init>(Options.java:16)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.Class.newInstanceImpl(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.Class.newInstance(Class.java:1409)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1656)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): ... 11 more